Home / 18,713,999.20-28,068,374.40-5,935,795.60

Finding the Fourth Proportional to 18,713,999.20, 28,068,374.40 and 5,935,795.60

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Solution

The fourth proportional to 18,713,999.20, 28,068,374.40 and 5,935,795.60 is: 8,902,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,999.20 : 28,068,374.40 = 5,935,795.60 : x
  2. Step 2: Convert to fraction form
    18,713,999.20/28,068,374.40 = 5,935,795.60/x
  3. Step 3: Cross multiply
    18,713,999.20x = 28,068,374.40 × 5,935,795.60
  4. Step 4: Simplify right side
    18,713,999.20x = 166,608,133,262,672.62
  5. Step 5: Solve for x
    x = 166,608,133,262,672.62/18,713,999.20
  6. Step 6: Final answer
    x = 8,902,860.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.